Originally Posted by dvs7310

Yeah it's 4 flights OR 20% of your QPoints have to be earned on QR flights. I think most people would get 4 flights first, but in theory you could do something like LAX-DOH-AKL or SYD and that would easily exceed the 20% threshold since that's 186 / 176 QPoints (Assuming D Class) and the 20% threshold for Platinum would be 120. If you're doing the 4 segments, they can also be marketed flights, doesn't have to be QR metal.

Here's the relevant page you need